參數(shù)資料
型號: MC68HC05LJ5P
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 11/85頁
文件大小: 899K
代理商: MC68HC05LJ5P
November 10, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05LJ5
MEMORY
MOTOROLA
REV 1
2-1
SECTION 2
MEMORY
2.1
MEMORY MAP
The MC68HC05LJ5 has 4K-bytes of addressable memory consisting 32 bytes of
I/O, 64 bytes of user RAM, and 1296 bytes of user ROM, as shown in Figure 2-1.
Figure 2-1. MC68HC05LJ5 Memory Map
4095
4088
3840
4087
3839
4080
4079
ROM Reserved for Test
8 Bytes
User Vectors (ROM)
8 Bytes
unimplemented
160 Bytes
0768
0767
Stack
User RAM
64 Bytes
Reset Vector (Low Byte)
Reset Vector (High Byte)
SWI Vector (Low Byte)
SWI Vector (High Byte)
IRQ Vector (Low Byte)
IRQ Vector (High Byte)
Timer Vector (Low Byte)
Timer Vector (High Byte)
$0FF7
$0FF8
$0FF9
$0FFA
$0FFB
$0FFC
$0FFD
$0FFE
$0FFF
$001F
$0000
$0100
$00FF
0255
0256
I/O
32 Bytes
0032
0031
0000
$0FFF
$0F00
$0EFF
$0300
$02FF
$00C0
$00BF
$0020
$001F
$0000
User ROM
1280 Bytes
I/O
Registers
32 bytes
0192
0191
unimplemented
512 Bytes
$0FF6
$0FF3
$0FF4
$0FF5
$0FF2
$0FF1
$0FF0
COP Watchdog Timer*
$07FF
$0800
TEST ROM
240 Bytes ROM
* Writing a 0 to bit 0 of $0FF0 clears the COP Timer.
Reading $0FF0 returns User ROM data.
Reserved for test
$0FF8
$0FF7
2047
2048
$0FF0
$0FEF
unimplementd
1792 Bytes
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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